- Liberty Travel
- Library Co
- Library For The Blind
- Lids
- Life Line Music Coalition Inc
- Lighting Design Collaborative
- Lightsky
- Lincoln Apartments
- Linda Earle MD
- Linda Rabinowitz MD
- Linda Shrier & Assoc
- Linu Boutique
- Lipsky & Brandt
- Lisa A Baird Law Offices
- Little Card Shop
- Little Thai Market
- Litvin Blumberg Matusow Young
- Liver Prevention Ctr
- Llu Rong
- LNW Carpet Inc
- Locust Bar
- Loews Philadelphia Hotel
- Logan's Restaurant & Pizza
- Lomax Group
- London Jewelry
- Long Life Chinese Natural Herb
- Lord & Taylor
- Lorraine King MD
- Lost Dog Productions LTD
- Lot Stores
- Louis Rosner
- Loyalty Agency Assn Inc
- LTS Consulting
- Lubavitcher Center
- Lucille Roberts Health Club
- Lucky Construction Inc
- Lucky Strikes Bowling Alley
- Ludwig's Garten
- Luen Fong
- Lui Fai Man
- Lula
- Luna Salon & Spa
- Luna Sandwich & Pizza Shop
- Lunchong Grocery Inc
- Luu Dat
- Ly Michael's
- Lynn Jewelry
- Lynn R O'Hara Real Estate
- Lyons Chvala Nephrology Assoc
- LZA Technology
- M & V Marketing
- M Cramer & Assoc Inc
- M Davis Rooming House
- M Finkel & Daughter
- M S Diamond Trading Inc
- M Wai Law
- Macallister Group
- Maccabeam Restaurant
